#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define BUTTON  2

#define SCREEN_WIDTH  128
#define SCREEN_HEIGHT 32

#define SCREEN_ADDRESS  0x3C
#define SCREEN_RESET    -1

Adafruit_SSD1306 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, SCREEN_RESET);
int counter = 0;

void setup() {
  pinMode(BUTTON, INPUT);

  if (!oled.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
    return; // jangan lanjutkan
  }

  oled.display();
  delay(2000);

  oled.clearDisplay();

  oled.setTextSize(1);
  oled.setTextColor(SSD1306_WHITE);
  oled.setCursor(10, 0);
  oled.print("Counter : " + String(counter));

  oled.display();

  delay(100);
}

void loop() {
  if (!digitalRead(BUTTON)) {
    counter += 1;

    oled.clearDisplay(); //bersihkan tampilan sebelumnya

    oled.setTextSize(1);
    oled.setTextColor(SSD1306_WHITE);
    oled.setCursor(10, 0);
    oled.print("Counter : " + String(counter));

    oled.display();

    delay(250);
  }
}